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Rough shocks or suspension while driving over bump
I’ve just bought a like new 2012 528I with 7K mileage but this car does not ride smoothly. When I go over a bump even small like those reflectors on the middle of the road, the entire car shakes and I feel like I am riding a truck, car has been several time inspected by dealer but they are saying they can’t find any issues. When my co-workers ride with me on lunch, they will tell me how uncomfortable it is when you go over just a small speeding bump or small pots on the rood, it does not mater slow fast, I have had several 528I model previously but they all ride smoothly. I tried turning the radio on all the way up but it is hard to not noticed the car shaking over the small pots specially in the area I leave.
Car rides very well on straight HWY with no pot holes and car has been balanced and aligned by BMW I don’t mind if I take the car to some other professional places for inspection to really prove to BMW dealer it is an issue with this car but I am not sure what that could be? Suspension, shocks, Any expert or personal experienced? The tires are looks brand new |
Harsh Ride
Is your 5 Series equipped with run-flat tires? If so that is the source of your harsh ride. The side walls are very stiff & this type of tire has a low profile, so you can drive on the tire when you get a puncture. My Corvette has a harsh ride & I am equipped with run-flat tires. I have lower the air pressure 2 to 4 PSI & this helps a bit.
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Originally Posted by jjmenei
(Post 1514924)
Is your 5 Series equipped with run-flat tires? If so that is the source of your harsh ride. The side walls are very stiff & this type of tire has a low profile, so you can drive on the tire when you get a puncture. My Corvette has a harsh ride & I am equipped with run-flat tires. I have lower the air pressure 2 to 4 PSI & this helps a bit.
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Originally Posted by jjmenei
(Post 1514924)
Is your 5 Series equipped with run-flat tires? If so that is the source of your harsh ride. The side walls are very stiff & this type of tire has a low profile, so you can drive on the tire when you get a puncture. My Corvette has a harsh ride & I am equipped with run-flat tires. I have lower the air pressure 2 to 4 PSI & this helps a bit.
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Originally Posted by neopoint
(Post 1515500)
I tried your suggestion, but could not see any different. We have another 5 series identical, except, that one is 2013 model with RFT tires with no issues. I am trying to find some places beside BMW and pay for the professional inspection and take the result to BMW. I believe this car has some issues as I have drove many loaner cars from BMW in the past few months with RFT with no issues
Please share if you got any solution |
RFT's will not cause that significant difference in ride quality to where passengers would complain.
If it's only on bumps/rough roads, it's either struts/shocks, springs, or a loose/failed bushing, ball joint, bolt, etc. Probably in the front suspension. I would definitely take it to another shop for a second opinion (or really a first opinion, since BMW can't find anything :rolleyes: ) EDIT: another thought - failed motor or trans mounts can also cause some harshness on bumps. |
I drove a 2012 535i for 3 years and never had any problems with bumps/rough roads. I sold it at 105,000 miles so it was well used so front suspension/ etc. might not be an issue. Wheels not bent? Road force balance? 7,000 miles is too little for things to be wearing out and I would have assumed the previous owner would have had it resolved during warranty.
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Originally Posted by neopoint
(Post 1514863)
I’ve just bought a like new 2012 528I with 7K mileage but this car does not ride smoothly. When I go over a bump even small like those reflectors on the middle of the road, the entire car shakes and I feel like I am riding a truck, car has been several time inspected by dealer but they are saying they can’t find any issues. When my co-workers ride with me on lunch, they will tell me how uncomfortable it is when you go over just a small speeding bump or small pots on the rood, it does not mater slow fast, I have had several 528I model previously but they all ride smoothly. I tried turning the radio on all the way up but it is hard to not noticed the car shaking over the small pots specially in the area I leave.
Car rides very well on straight HWY with no pot holes and car has been balanced and aligned by BMW I don’t mind if I take the car to some other professional places for inspection to really prove to BMW dealer it is an issue with this car but I am not sure what that could be? Suspension, shocks, Any expert or personal experienced? The tires are looks brand new I have exactly the same problem, does anyone know what the solution could be? I have a 2013 BMW 535i. Thanks |
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